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<body>
    <big>定义大号字。</big>
    <br />
    <small>定义小号字。</small>
    <br />
    <sub>定义下标字。</sub>
    <br />
    <sup>定义上标字。</sup>
    <br />
    <ins>定义插入字。</ins>
    <br />
    <del>定义删除字。</del>
    <br />
    <hr />
    <code>定义计算机代码。元素不保留多余的空格和折行。 pre 保持元素格式</code>
    <br />
    <code>
    var person = {
        firstName:"Bill",
        lastName:"Gates",
        age:50,
        eyeColor:"blue"
    }
    </code>
    <br />
    <code>
    <pre>
    var person = {
        firstName:"Bill",
        lastName:"Gates",
        age:50,
        eyeColor:"blue"
    }
    </pre>
    </code>
    <hr />
    <kbd>定义键盘码。定义键盘输入。</kbd>
    <br />
    <kbd>File | Open...</kbd>
    <hr />
    <samp>定义计算机代码样本。定义计算机输出示例。</samp>
    <br />
    <samp>
        demo.example.com login: Apr 12 09:10:17
        Linux 2.6.10-grsec+gg3+e+fhs6b+nfs+gr0501+++p3+c4a+gr2b-reslog-v6.189
    </samp>
    <hr />
    <tt>定义打字机代码。</tt>
    <br />
    <hr />
    <var>定义变量。定义数学变量。</var>
    <br />
    <var>E = m c<sup>2</sup></var>
    <hr />
    <pre>
    定义预格式文本。
    </pre>
    <pre>
    for i = 1 to 10
        print i
    next i
    </pre>
    <hr />
    <abbr>定义缩写。</abbr>
    <br />
    <abbr title="etcetera">etc.</abbr>
    <hr />
    <acronym>定义首字母缩写。</acronym>
    <br />
    <acronym title="World Wide Web">WWW</acronym>
    <hr />
    <address>定义地址。</address>
    <address>
        Written by <a href="mailto:webmaster@example.com">Donald Duck</a>.<br />
        Visit us at:<br />
        Example.com<br />
        Box 564, Disneyland<br />
        USA
    </address>
    <hr />
    <bdo>定义文字方向。</bdo>
    <br />
    <bdo dir="rtl">
        Here is some Hebrew text
    </bdo>
    <hr />
    <blockquote>定义长的引用。</blockquote>
    <q>定义短的引用语。</q>
    <br />
    <hr />
    <cite>定义引用、引证。定义著作的标题。</cite>
    <br />
    <cite>The Scream</cite> by Edward Munch. Painted in 1893.
    <hr />
    <dfn>定义一个定义项目。</dfn>
    <br />
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